Sampling structure for chemical fertilizer detection

Abstract

The utility model relates to the technical field of sampling, in particular to a sampling structure for chemical fertilizer detection. According to the technical scheme, the sampling device comprises a sampling pipe used for being inserted into the bottom face for sampling, a driving rod is rotationally arranged in the sampling pipe, a drill bit is fixedly arranged at the lower end of the driving rod, the outer wall of the driving rod is fixedly sleeved with a material taking blade, and a driving motor is fixedly installed at the upper end of the sampling pipe; the output end of the driving motor penetrates through the sampling pipe and is fixedly connected with a driving rod; the linkage assembly is arranged in the sampling pipe and is used for cleaning residual chemical fertilizer in the sampling pipe; a sealing assembly for preventing the chemical fertilizer from entering the sampling pipe is arranged in the drill bit. According to the chemical fertilizer sampling device, residual chemical fertilizer on the inner wall of the sampling pipe can be cleaned in time after sampling, so that the next sampling is prevented from being influenced by the residual chemical fertilizer, high accuracy can be kept in each sampling, and the overall sampling work efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical fertilizer detection equipment technical field especially, relates to a sampling structure for chemical fertilizer detection. BACKGROUND

[0002] Fertilizer is made by chemical and physical methods contains one or several nutrient elements that crop growth needs, can promote plant stem leaf vigorous growth, promotes seedling development and flower opening etc., and it has the positive influence of improving crop yield, improving agricultural product quality to agricultural production, also has the negative influence of leading to soil compaction, environmental pollution etc. The prior art patent with the patent number CN220270826U proposes a sampling structure for chemical fertilizer detection, including sampling pipe, the one side of sampling pipe is provided with sampling box, the sampling pipe is provided with quick release assembly, sampling box and sampling pipe are connected through quick release assembly, the sampling pipe is provided with material taking assembly, the one end of sampling pipe is provided with probe, the probe and sampling pipe are connected through material taking assembly. The end of sampling pipe probe is opposite the chemical fertilizer heap that needs sampling, then the probe is used to make sampling pipe into the required depth, then the material taking assembly on sampling pipe is used to sample the chemical fertilizer in the depth range, the sample is sent to sampling box by material taking assembly, when the sampling in a range ends, the sampling box is detached by quick release assembly, the deep chemical fertilizer is taken out by using material taking mechanism, so that the chemical fertilizer can reduce the influence of other areas when sampling, improve the precision of detection. But in the sampling process, the inside of sampling pipe will remain chemical fertilizer, affect the accuracy of next time material taking, and it is difficult to clean. For this reason, the utility model proposes a sampling structure for chemical fertilizer detection. UTILITY MODEL CONTENT

[0003] The utility model aims at the problem that the inside of sampling pipe will remain chemical fertilizer in the sampling process, affect the accuracy of next time material taking, and it is difficult to clean in the background art, proposes a sampling structure for chemical fertilizer detection.

[0004] The utility model discloses a sampling structure for chemical fertilizer detection, including: the sampling pipe for inserting the bottom surface sampling, the inside rotation of sampling pipe is provided with the drive rod, the lower extreme of drive rod is fixedly provided with the drill bit, the outer wall of drive rod is fixedly sleeved with the material taking leaf, the upper end of sampling pipe is fixedly installed with the drive motor, the output of drive motor passes through sampling pipe and is fixedly connected with drive rod;The linkage assembly for cleaning the inside residual chemical fertilizer that sets up in the inside of sampling pipe;The closed assembly for avoiding chemical fertilizer to enter the inside of sampling pipe is located in the drill bit.

[0005] Optionally, the linkage assembly includes a collar block rotatably sleeved on the outer wall of the drive rod. Multiple scraper rods are fixedly mounted on the bottom surface of the collar block, and these scraper rods are in close contact with the inner wall of the sampling tube. Multiple limiting grooves are formed on the upper surface of the collar block, and limiting blocks are slidably mounted inside each limiting groove. A connecting collar is fixedly mounted on the upper end of each limiting block, and multiple locking blocks are fixedly mounted on the upper end of the connecting collar. The connecting collar is movably sleeved with the drive rod. A first spring is sleeved on the outer wall of the limiting block, with one end of the first spring fixedly connected to the collar block and the other end fixedly connected to the connecting collar. A fixing collar is fixedly sleeved on the outer wall of the drive rod, and the fixing collar is located directly above the locking blocks. Multiple locking grooves are formed on the bottom surface of the fixing collar.

[0006] Optionally, the linkage assembly further includes a pull rod that moves through the outer wall of the sampling tube. One end of the pull rod is fixedly connected to a limit block, which engages with a connecting collar. A second spring is sleeved on the outer wall of the pull rod. One end of the second spring is fixedly connected to the sampling tube, and the other end of the second spring is fixedly connected to the limit block.

[0007] Optionally, the sealing assembly includes a groove and a guide groove formed on the sampling tube. A guide rod is slidably disposed inside the groove. A baffle is fixedly connected to the lower end of the guide rod, and a guide sleeve is fixedly connected to the upper end of the guide rod. The guide sleeve is movably sleeved with the sampling tube through the guide groove, and a set of handles is fixedly disposed on the outer wall of the guide sleeve.

[0008] Optionally, a frame is provided at the outlet of the sampling tube, and a collection box for collecting the sampled fertilizer is attached to the frame.

[0009] Optionally, a water injection pipe is connected to the outer wall of the sampling tube, and a sealing plug is provided at one end of the water injection pipe.

[0010] Optionally, the inner wall of the sampling tube is provided with a sliding groove, and a sliding ring is slidably disposed inside the sliding groove. The inner ring surface of the sliding ring is fixedly connected to the scraper.

[0011] Optionally, the connecting collar is configured as a frustum shape.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] This utility model moves the limiting block horizontally by pulling the pull rod, so that the first spring pushes the block on the connecting collar into the slot at the bottom of the fixed collar. The drive motor, together with the drive rod, drives the scraper to rotate on the inner wall of the sampling tube. This can clean the residual fertilizer on the inner wall of the sampling tube in time after sampling, avoid the residue from affecting the next sampling, and ensure that each sampling can maintain high accuracy, which greatly improves the efficiency of the overall sampling work.

[0014] Further, the guide rod drives the blocking cylinder to close the feed inlet at the bottom of the sampling tube, which can form a closed space when the sampling tube is inserted into the ground, avoids the fertilizers at different depths from entering the sampling tube, and cooperates with the water injection pipe to inject water as needed to clean the sampling tube, thereby improving the cleaning effect of the sampling tube. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the sampling structure for detecting fertilizers is given;

[0016] Figure 2 For Figure 1 A schematic diagram of the internal cross-sectional structure of the front view;

[0017] Figure 3 For Figure 2 A schematic diagram of the structure of the linkage assembly;

[0018] Figure 4 For Figure 3 A schematic diagram of the split structure of the linkage assembly;

[0019] Figure 5 For Figure 2 An enlarged schematic diagram of A in the structure diagram.

[0020] Reference signs:

[0021] 1, sampling tube; 2, drive rod; 3, drill bit; 4, material taking blade; 5, drive motor;

[0022] 6, linkage assembly; 601, collar block; 602, scraping rod; 603, limiting groove; 604, limiting block; 605, connecting collar; 606, clamping block; 607, first spring; 608, fixed collar; 609, clamping groove; 610, pull rod; 611, limiting clamping block; 612, second spring;

[0023] 7, closing assembly; 71, sliding groove; 72, guide groove; 73, guide rod; 74, blocking cylinder; 75, guide sleeve; 76, handle;

[0024] 8, clamping frame; 9, sample collecting box; 10, water injection pipe; 11, sealing plug; 12, sliding groove; 13, sliding ring. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0026] The components of the embodiments of the present application generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations. Therefore, the following detailed description of the embodiments of the present application, as provided in the figures, is not intended to limit the scope of the application, but is merely representative of selected embodiments of the application.

[0027] All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present application without creative labor shall fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiments

[0031] As Figure 1 and Figure 2As shown in the utility model discloses a kind of sampling structures for chemical fertilizer detection, comprising: for inserting bottom sampling sampling tube 1, and sampling tube 1 is made of high-strength and corrosion-resistant material, can adapt to various complex soil environment, ensure long time stable use, the inside rotation of sampling tube 1 is provided with driving rod 2, the lower end of driving rod 2 is fixedly provided with drill bit 3, drill bit 3 is made of special alloy material, with super-hardness and wear resistance, can easily penetrate the soil of various textures, the outer wall of driving rod 2 is fixedly sleeved with material taking blade 4, the upper end of sampling tube 1 is fixedly installed with driving motor 5, the output end of driving motor 5 is fixedly connected with driving rod 2 through sampling tube 1, to facilitate the rotation of drill bit 3 and material taking blade 4;Linkage assembly 6 for cleaning residual chemical fertilizer inside sampling tube 1 is arranged in sampling tube 1, and the linkage assembly 6 can clean the inner wall of sampling tube 1, keep inside clean;Drill bit 3 is provided with closed assembly 7 for avoiding chemical fertilizer into the inside of sampling tube 1, to avoid fertilizer of different depths into the inside of sampling tube 1.

[0032] As Figure 3 And Figure 4 As shown, linkage assembly 6 includes the sleeve ring block 601 that rotates sleeve is connected on the outer wall of driving rod 2, the bottom surface of sleeve ring block 601 is fixedly provided with a plurality of scraper rods 602, a plurality of scraper rods 602 are arranged in annular array, and scraper rod 602 is in close contact with the inner wall of sampling tube 1, can clean the inner wall of sampling tube 1, the upper surface of sleeve ring block 601 is provided with a plurality of limiting grooves 603, and a plurality of limiting grooves 603 are arranged in annular array, the inner part of limiting groove 603 is slidably provided with limiting block 604, the upper end of limiting block 604 is fixedly provided with connecting sleeve ring 605, to facilitate the limiting of connecting sleeve ring 605, the upper end of connecting sleeve ring 605 is fixedly provided with a plurality of clamping blocks 606, connecting sleeve ring 605 is movably sleeved with driving rod 2, the outer wall of limiting block 604 is sleeved with first spring 607, one end of first spring 607 is fixedly connected with sleeve ring block 601, the other end of first spring 607 is fixedly connected with connecting sleeve ring 605, to facilitate the vertical upward movement of clamping block 606, the outer wall of driving rod 2 is fixedly sleeved with fixed sleeve ring 608, and fixed sleeve ring 608 is located directly above clamping block 606, the bottom surface of fixed sleeve ring 608 is provided with a plurality of clamping grooves 609, and clamping block 606 can be stably clamped with clamping groove 609.

[0033] Further, the linkage assembly 6 further comprises a pull rod 610 movably penetrating the outer wall of the sampling pipe 1, the outer wall of the pull rod 610 is provided with a plurality of limiting guide blocks, which can ensure the stable movement of the pull rod 610 on the outer wall of the sampling pipe 1, one end of the pull rod 610 is fixedly connected with a limiting block 611, the limiting block 611 is provided in a "U" shape, the limiting block 611 is clamped with the connecting sleeve 605, which can limit the connecting sleeve 605, the outer wall of the pull rod 610 is sleeved with a second spring 612, one end of the second spring 612 is fixedly connected with the sampling pipe 1, the other end of the second spring 612 is fixedly connected with the limiting block 611, which can reset the limiting block 611.

[0034] As shown in Figure 1 and Figure 2 , the closing assembly 7 comprises a chute 71 and a guide groove 72 provided on the sampling pipe 1, the inside of the chute 71 is slidably provided with a guide rod 73, the lower end of the guide rod 73 is fixedly connected with a blocking cylinder 74, which can seal the inlet of the sampling pipe 1, preventing fertilizers of different depths from entering the inside of the sampling pipe 1, the upper end of the guide rod 73 is fixedly connected with a guide sleeve 75, the guide sleeve 75 is movably sleeved with the sampling pipe 1 through the guide groove 72, a plurality of handles 76 are fixedly provided on the outer wall of the guide sleeve 75, which facilitates the vertical movement of the guide sleeve 75.

[0035] As shown in Figure 1 , the sampling pipe 1 is provided with a clamping frame 8 at the outlet, the clamping frame 8 is clamped with a sampling box 9 for collecting the sampling fertilizer, which facilitates the taking and placing of the sampling box 9.

[0036] Secondly, the outer wall of the sampling pipe 1 is provided with a water injection pipe 10, one end of the water injection pipe 10 is sealingly sleeved with a sealing plug 11, which facilitates the injection of water into the inside of the sampling pipe 1, improving the cleaning effect.

[0037] As shown in Figure 2 and Figure 5 , the inner wall of the sampling pipe 1 is provided with a sliding groove 12, the inside of the sliding groove 12 is slidably provided with a sliding ring 13, the inner ring surface of the sliding ring 13 is fixedly connected with the scraping rod 602, which can limit the scraping rod 602 and make the scraping rod 602 rotate stably.

[0038] In addition, the connecting sleeve 605 is provided in a circular truncated cone shape, which facilitates the vertical up and down movement of the connecting sleeve 605 pushed by the limiting block 611.

[0039] The working principle of the embodiment is as follows: when the fertilizer needs to be sampled, first, the sampling pipe 1 is aligned with the corresponding position of the fertilizer pile. Start the driving motor 5, the output end of the driving motor 5 drives the driving rod 2 to rotate, the drill bit 3 fixed at the lower end of the driving rod 2 rotates at high speed, which can easily insert into the bottom surface of the fertilizer pile, the blocking cylinder 74 seals the inlet at the bottom of the sampling pipe 1, avoiding different depths of fertilizer from entering the inside of the sampling pipe 1.

[0040] When sampling, the handle 76 is manually held, the guide sleeve 75 is pulled up through the guide slot 72, the guide rod 73 is slid up in the sliding slot 71, the blocking cylinder 74 is driven to rise, the blocking cylinder 74 is moved away from the opening at the lower end of the sampling tube 1, the driving motor 5 drives the sampling leaves 4 on the outer wall of the driving rod 2 to rotate, the chemical fertilizer is rolled into the sampling tube 1 in the rotating process, and is discharged into the sampling box 9 through the discharge port at the upper end of the sampling tube 1.

[0041] After sampling is completed, the sampling box 9 is taken out from the discharge port of the sampling tube 1, and the sampling box 9 is fixed in the discharge port through clamping with the clamping frame 8, so that the sample is conveniently collected.

[0042] After sampling is completed, if the sampling tube 1 needs to be cleaned, the sealing plug 11 at one end of the water injection pipe 10 is pulled out, water is injected from the water injection pipe 10, and the pipe is flushed. The flushing is simultaneously performed by pulling the pull rod 610, the pull rod 610 drives the limiting clamping block 611 to move outward, so that the limiting clamping block 611 is separated from the clamping state of the connecting sleeve ring 605, and the second spring 612 is stretched at this time. The connecting sleeve ring 605 moves upward under the elastic force of the first spring 607, drives the clamping block 606 to be clamped into the clamping groove 609 in the bottom surface of the fixed sleeve ring 608, so that the sleeve block 601 is relatively fixed with the driving rod 2. Since the driving rod 2 rotates, the sleeve block 601 also rotates, and the scraping rod 602 on the bottom surface of the sleeve block 601 rotates and scrapes the chemical fertilizer remaining on the inner wall of the sampling tube 1. After cleaning is completed, the pull rod 610 is reversely operated to reset each component, and the accuracy of next sampling is ensured.

[0043] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A sampling structure for fertilizer testing, characterized in that, include: A sampling tube (1) for inserting a sample from the bottom surface is provided. A drive rod (2) is rotatably installed inside the sampling tube (1). A drill bit (3) is fixedly installed at the lower end of the drive rod (2). A sampling blade (4) is fixedly sleeved on the outer wall of the drive rod (2). A drive motor (5) is fixedly installed at the upper end of the sampling tube (1). The output end of the drive motor (5) passes through the sampling tube (1) and is fixedly connected to the drive rod (2). A linkage component (6) is installed inside the sampling tube (1) to clean up residual fertilizer inside; A sealing component (7) is provided inside the drill bit (3) to prevent fertilizer from entering the sampling tube (1).

2. The sampling structure for fertilizer testing according to claim 1, characterized in that, The linkage assembly (6) includes a collar block (601) rotatably sleeved on the outer wall of the drive rod (2). Multiple scraper rods (602) are fixedly mounted on the bottom surface of the collar block (601), and the scraper rods (602) are in close contact with the inner wall of the sampling tube (1). Multiple limiting grooves (603) are formed on the upper surface of the collar block (601). Limiting blocks (604) are slidably mounted inside the limiting grooves (603). A connecting collar (605) is fixedly mounted on the upper end of each limiting block (604), and multiple clips are fixedly mounted on the upper end of each connecting collar (605). Block (606), the connecting collar (605) is movably sleeved with the drive rod (2), the outer wall of the limiting block (604) is sleeved with a first spring (607), one end of the first spring (607) is fixedly connected to the collar block (601), the other end of the first spring (607) is fixedly connected to the connecting collar (605), the outer wall of the drive rod (2) is fixedly sleeved with a fixing collar (608), and the fixing collar (608) is located directly above the locking block (606), and the bottom surface of the fixing collar (608) is provided with multiple slots (609).

3. The sampling structure for fertilizer testing according to claim 2, characterized in that, The linkage assembly (6) further includes a pull rod (610) that moves through the outer wall of the sampling tube (1). One end of the pull rod (610) is fixedly connected to a limiting block (611), which engages with a connecting collar (605). A second spring (612) is sleeved on the outer wall of the pull rod (610). One end of the second spring (612) is fixedly connected to the sampling tube (1), and the other end of the second spring (612) is fixedly connected to the limiting block (611).

4. The sampling structure for fertilizer testing according to claim 1, characterized in that, The sealing assembly (7) includes a groove (71) and a guide groove (72) formed on the sampling tube (1). A guide rod (73) is slidably arranged inside the groove (71). A baffle (74) is fixedly connected to the lower end of the guide rod (73). A guide sleeve (75) is fixedly connected to the upper end of the guide rod (73). The guide sleeve (75) is movably connected to the sampling tube (1) through the guide groove (72). A set of handles (76) is fixedly arranged on the outer wall of the guide sleeve (75).

5. The sampling structure for fertilizer testing according to claim 1, characterized in that, A frame (8) is provided at the outlet of the sampling tube (1), and a collection box (9) for collecting the sampled fertilizer is attached to the frame (8).

6. The sampling structure for fertilizer testing according to claim 1, characterized in that, The outer wall of the sampling tube (1) is connected to a water injection pipe (10), and a sealing plug (11) is provided at one end of the water injection pipe (10).

7. The sampling structure for fertilizer testing according to claim 3, characterized in that, The inner wall of the sampling tube (1) is provided with a sliding groove (12), and a sliding ring (13) is slidably arranged inside the sliding groove (12). The inner ring surface of the sliding ring (13) is fixedly connected to the scraper (602).

8. The sampling structure for fertilizer testing according to claim 3, characterized in that, The connecting collar (605) is a frustum-shaped structure.

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